Fall '10: Kate's Quick Moves

01 of 21

KATE BOSWORTH

The is simply chic in her white blouse and leather pencil skirt – both from Calvin Klein Collection – at the line’s show on Thursday afternoon.

02 of 21

NAOMI AND KERRY

Mother and Child costars and Washington happily catch up before the Calvin Klein Collection show begins.

03 of 21

MARY-KATE OLSEN

Proving that high fashion and comfort can go hand-in-hand, gets cozy in Proenza Schouler’s front row in a belted fur coat and an exotic blue clutch from the line.

04 of 21

JUSTIN & TRACE

Bromance alert! and BFF Trace Ayala share a stylish moment – in leather jackets and button-down shirts – backstage at their label William Rast’s runway show.

05 of 21

NICOLE & CHLOE

After checking out the glam gowns at Marchesa, indulges her hipster side – rocking purple stripes and a chunky scarf – by joining fashionista Sevigny – clad in black-and-white print and red-hot lips – front row at the Proenza Schouler show.

06 of 21

JESSICA BIEL

With his mom’s seal of approval, enthusiastically watches boyfriend William Rast runway show in a quilted leather motorcycle jacket and gold Stephen Russell hoop earrings.

07 of 21

SELMA BLAIR

Before taking her front row seat at the Proenza Schouler show, Selma Blair strikes a pose on the runway in a plunging tweed halter dress and tough buckled boots from the label.

08 of 21

PAMELA & RICHIE RICH

Fashion Week might be all about the clothes, but is practically nude in a barely-there, silver sparkling bodysuit accessorized with body glitter, fringe bracelets and heavy eye makeup while cozying up to designer pal Richie Rich at his A-MUSE show.

09 of 21

JESSICA STROUP

The 90210 star makes for a bright spot – in a plunging blue dress – while waiting for the Brian Reyes show at Bryant Park as part of Mercedes-Benz Fashion Week to begin.

10 of 21

MOLLY SIMS

Despite the cold, Sims bears her supermodel long legs in a white lace Marchesa shift topped with a chic black boyfriend blazer and ruby red earrings outside the brand’s presentation.

11 of 21

MARY J. & CATHERINE

Music and fashion collide as Mary J. Blige partners with designer Catherine Malandrino at Bloomingdales to show off their charity T-shirts, created to inspire and empower women.

12 of 21

RACHEL ZOE

Did she find anything Oscar-worthy? Clad in a chubby fur and quirky shades, the stylist scouts out the gorgeous gowns at the Marchesa presentation.

13 of 21

JESSICA BIEL

Is she shopping for any red carpet in particular? The Valentine’s Day turns in an impeccable appearance in her cozy gray-on-gray outfit at the Oscar de la Renta show.

14 of 21

KELLY OSBOURNE

No stranger to the catwalk, the reality star sticks to her front row seat at the Nanette Lepore show, but steals the spotlight in a neon yellow dress with black polka dots from the designer and matching lace gloves.

15 of 21

JULIA STILES

The actress, sporting a black-and-white lace dress, hung out with Milly designer Michelle Smith backstage at her Bryant Park show as part of Mercedes-Benz Fashion Week.

16 of 21

MOLLY SIMS

The former model is runway-ready in the front row at Michael Kors in this hip-hugging, long-sleeved crimson dress, perfectly accessorized by a golden necklace, bracelet and clutch.

17 of 21

ALEXA CHUNG

The British trendsetting hipster, who just launched her own highly-acclaimed line for Madewell, attends the 3.1 Phillip Lim show in a finger-print T-shirt from the designer.

18 of 21

MENA SUVARI

Roar! The brunette star poses backstage at Pamella Roland, wearing head-to-toe black and adding a purple tiger-striped scarf for a fierce touch.

19 of 21

ABIGAIL BRESLIN

The pint-sized actress brings a little sunshine backstage at Nanette Lepore while modeling a colorful zip-up dress and neon cardigan.

20 of 21

MICHAEL AND JEREMY

After a successful bejeweled collection presentation at Milk Studios, Scott is congratulated by rocker pal Stipe, who happily caught the show from the front row.

21 of 21

KELLY BENSIMON

The Real Housewives of New York star – and Playboy cover girl – takes a bohemian approach at William Rast show in a fuzzy fur vest over a hot-pink floral dress and studded cross-body bag.